1 /* $OpenBSD: archdep.h,v 1.8 2017/01/20 10:40:30 guenther Exp $ */ 2 3 /* 4 * Copyright (c) 1998 Per Fogelstrom, Opsycon AB 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 16 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 19 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 */ 28 29 #ifndef _SH_ARCHDEP_H_ 30 #define _SH_ARCHDEP_H_ 31 32 #define RELOC_TAG DT_RELA 33 34 #define MACHID EM_SH /* ELF e_machine ID value checked */ 35 36 #include <elf_abi.h> 37 #include <machine/reloc.h> 38 #include "syscall.h" 39 #include "util.h" 40 41 /* 42 * The following functions are declared inline so they can 43 * be used before bootstrap linking has been finished. 44 */ 45 46 static inline void * 47 _dl_mmap(void *addr, size_t len, int prot, int flags, int fd, off_t offset) 48 { 49 return((void *)(long)_dl__syscall((quad_t)SYS_mmap, addr, len, prot, 50 flags, fd, 0, offset)); 51 } 52 53 static inline void 54 RELOC_DYN(Elf32_Rela *r, const Elf32_Sym *s, Elf32_Addr *p, unsigned long v) 55 { 56 if (ELF_R_TYPE(r->r_info) == R_SH_RELATIVE) { 57 *p = v + r->r_addend; 58 } else if (ELF_R_TYPE(r->r_info) == R_SH_DIR32) { 59 *p = s->st_value + v + r->r_addend; 60 } else { 61 /* XXX - printf might not work here, but we give it a shot. */ 62 _dl_printf("Unknown bootstrap relocation.\n"); 63 _dl_exit(6); 64 } 65 } 66 67 #define RELOC_GOT(obj, offs) 68 69 #endif /* _SH_ARCHDEP_H_ */ 70